private void brightEndToolStripMenuItem_Click(object sender, EventArgs e)
{
Filters filter1 = new MedianFilter();
Filters filter2 = new ScharrFilter();
Filters filter3 = new MaximumFilter();
Bitmap resultImage = filter1.processImage(Image, backgroundWorker1);
resultImage = filter2.processImage(resultImage, backgroundWorker1);
resultImage = filter3.processImage(resultImage, backgroundWorker1);
pictureBox2.Image = resultImage;
pictureBox2.Refresh();
progressBar1.Value = 0;
}